coolhousing.dk is a .dk domain served by 3 nameservers (ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu). It was registered on 6 April 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.245.16.10 is hosted by Slovak Telekom, a.s. (AS6855) in Slovakia. Mail is handled by posta.coolhousing.net. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.245.16.10 | 300s | thp1.coolhousing.net | AS6855 | Slovak Telekom, a.s. | 91.245.16.0/23 | 🇸🇰 Slovakia | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | posta.coolhousing.net | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | www.coolhousing.net → 91.245.16.10 |
| 🔶 Autoconfig | www.coolhousing.net → 91.245.16.10 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:5f7:c001::aaaa | 300s | — | AS6855 | Slovak Telekom, a.s. | 2a01:5f7:0:0:0:0:0:0/32 | 🇸🇰 Slovakia | — |
| www CNAME | www.coolhousing.net (all on coolhousing.net) |
| www vs bare domain | Same network coolhousing.dk: 91.245.16.10 2a01:5f7:c001::aaaa (AS6855) www.coolhousing.dk: 91.245.16.10 2a01:5f7:c001::aaaa (AS6855) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.coolhousing.dk | www.coolhousing.net |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 1763668463 |
| Primary NS (MNAME) | ns1.websupport.cz |
| Responsible (RNAME) | admin@websupport.cz |
| Refresh | 7200s |
| Retry | 2048s |
| Expire | 1048576s |
| Minimum (neg-cache TTL) | 2560s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2006-04-06 |
| Expires | 2027-04-30 (194d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 23:33:47 shown | 708ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 12:00:42 | 1355ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:35:43 | 1180ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 10:44:50 | 2787ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 14:31:03 | 5432ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 06:13:14 | 3437ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 01:36:01 | 1530ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 02:08:53 | 4615ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 22:16:17 | 1476ms | 3 NS 1 A 1 MX | 🔒 Secure |